2021 U.S. Open men's semifinal odds, predictions: Tennis expert reveals Medvedev vs. Auger-Aliassime picks | CBS Sports Headlines 2021 U.S. Open men's semifinal odds, predictions: Tennis expert reveals Medvedev vs. Auger-Aliassime picks Men’s tennis handicapper Sean Calvert has locked in his Auger-Aliassime vs. Medvedev picks for the U.S. Open 2021 … Continue reading 2021 U.S. Open men's semifinal odds, predictions: Tennis expert reveals Medvedev vs. Auger-Aliassime picks